1) primary Si
初晶Si
1.
Effects of P Modification on Primary Si in Hypereutectic Al-Si Die Casting Alloy with Different Cooling Rates;
P变质对不同冷速下过共晶压铸铝合金初晶Si的影响
2.
Effects of Magnetic Field and Modification on Primary Si Morphology and Distribution;
磁场和变质处理对初晶Si形状和分布的影响
3.
Strong magnetic field method was adopted to solve the problems,such as the loss of efficiency after re-melt,the short effective time after Na modification,and the primary Si distributed unevenly after P modification.
为解决Al-Si合金存在的Na变质重熔失效和有效时间短及P变质处理后初晶Si偏聚问题,利用施加强磁场的方法,分别对亚共晶Al-6%Si合金和共晶Al-12。
2) primary silicon
初晶Si
1.
Modification of the primary silicon in hypereutectic Al-Si alloy by boron;
B对过共晶Al-Si合金初晶Si的细化作用
2.
The results showed that under the conditions without high magnetic field,primary silicon in solidified structure concentrated at the edge of the sample and eutectic structure appeared in the center;while the high magnetic field was imposed,primary silicon distributed evenly .
对Al-18%(质量分数)Si合金进行磷盐变质处理,分别在变质剂反应温度保温20,40min,发现不施加强磁场条件下,凝固组织中的初晶Si相集中在试样周边附近,试样中心处为共晶组织。
3) Primary Si
初生Si
1.
Effects of Cooling Rate on Primary Si in Hypereutectic Al-Si Alloy;
冷却速度对过共晶Al-Si合金初生Si的影响规律
2.
The Effect on Refinement of the Primary Si on the Al-20%Si alloy Prepared by the Combination of Melt-Blending with the Semisolid Inductin stirring
熔体混合与半固态电磁搅拌复合处理对初生Si相细化的研究
3.
This thesis studied the effect of cooling rate and the stirring intensity on the equivalent diameter and the aggregation of the primary Si particles during the producing of the semi-solid slurry by electromagnetic stir, so offered foundation for producing largely the hypereutectic Al-Si alloy semi-solid slurry.
本文系统地研究了电磁搅拌制备半固态过共晶Al-Si合金浆料过程中,搅拌强度和冷却速度对浆料组织中初生Si等效直径、聚集现象的影响,从而为工业化电磁搅拌制备半固态过共晶Al-Si合金浆料工艺参数的确定提供依据。
4) primary silicon crystal
初生Si
1.
Effect of electromagnetic stirring on growth and morphology of primary silicon crystals of hypereutectic Al-Si alloys;
电磁搅拌对过共晶Al-Si合金初生Si长大过程和形貌的影响
5) eutectic Si
共晶Si相
1.
The effect of the solidified rate on the morphology of eutectic Si and α-Al dendrite was studied by mean of scanning electron microscope(SEM).
利用扫描电子显微镜,研究凝固速度对共晶Si相、α(Al)树枝晶形态的影响。
2.
The results show that with the increase of superheat treatment temperature, the undercooling increases, and the superheat treatment results in remarkable refinement of the α-Al dendrite and the particle or fibre transition of the eutectic Si.
结果表明:随着超温处理温度升高,过冷度增大;熔体超温处理使得α-Al相二次枝晶间距变小,共晶Si相颗粒化和纤维化;相同冷却速率下,熔体中Aln、Sin类原子团簇的类型和大小的变化决定了α-Al二次枝晶间距的减小。
6) eutectic Si
共晶Si
1.
The results show that,without magnetic field,the plate-like primary Si concentrates at the edge of the sample,and the center is concentrated with the eutectic Si;exerting rotary magnetic field on the P-Salt modified hypereutectic Al-18%Si alloy,the primary Si is thick and block-like and concentrates at the edge of the sample,and the center concentrates with the eutectic Si;exerting static mag.
结果表明:变质处理后,不施加磁场的条件下,块状初晶Si偏聚在试样边缘处,试样中心处为共晶Si;施加旋转交变磁场的条件下,粗大的板条状初晶Si偏聚在试样边缘处,试样中心处为共晶Si;施加静磁场的条件下,在试样整个横断面上初晶Si都是细小的块状,且大小和分布均匀。
2.
It is found that the sample modified by Na-salt was kept 720℃ for 20 minutes under the condition without high magnetic filed,coarse plate-like or acicular eutectic Si appear on section of the sample and distribution of eutectic Si is unevenly;but under the condition with high magnetic filed,Eutectic Si become fine.
对Al 6Si亚共晶铝硅合金进行Na盐变质处理后,重熔并在720℃下保温20min时,如果不施加强磁场,共晶Si呈粗大的针片状,长度和分布不均匀,凝固组织为未变质组织,即发生了重熔失效的现象。
3.
With studying on the eutectic Si modification, many new evidences were found one after the other and hence some new mechanisms were put forward.
随着对共晶Si变质机理的深入研究,相继发现了一些新的证据,提出了一些新的假说。
补充资料：无晶界玻璃相的无压烧结Si_(3)N_(4)材料
无晶界玻璃相的无压烧结Si_(3)N_(4)材料
翼 无晶界玻璃相的无几烧结siN材料
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条